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Reference Treatment: 1 x amlodipine and 1 x losartan administered in

Phase 1

Hypertension | Small molecule | Cardiovascular |GSK plc|Last Updated: Jul 26, 2017

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Trial Design

RandomizedCONTROLLED
Total Trials1
Total Enrollment23

FDA Designations

No designations recorded

Clinical trial landscape

Reference Treatment: 1 x amlodipine and 1 x losartan administered in · 1 trial · 1 indication

Phase 1 1
NCT01648231Crossover Study to Evaluate the Comparative Bioavailability of Two Fixed Dose Combination Tablet Formulations of Amlodipine and Losartan in Health VolunteersHypertension
COMPLETED23 Analytics
PHASE1COMPLETED
Crossover Study to Evaluate the Comparative Bioavailability of Two Fixed Dose Combination Tablet Formulations of Amlodipine and Losartan in Health Volunteers
HypertensionUnlock trial analytics

Study Endpoints

Primary Endpoints

Plasma concentration of amlodipine and losartan: Peak plasma concentration (Cmax) and last measurable plasma concentration (Clast)
Participants will be followed and monitored for the duration of their hospital stay (24 hours per treatment period). The longest duration of participation in the study will be approximately 14 weeks

Comparison of Cmax and Clast after administration of two amlodipine and losartan fixed dose combinations in comparison to reference treatment (to determine the comparative bioavailability)

Time to peak plasma concentration (Tmax) of amlodipine and losartan
Participants will be followed and monitored for the duration of their hospital stay (24 hours per treatment period). The longest duration of participation in the study will be approximately 14 weeks

Comparison of Tmax after administration of two amlodipine and losartan fixed dose combinations in comparison to reference treatment (to determine the comparative bioavailability)

Area under the plasma concentration-time curve (AUC) of amlodipine and losartan: from time zero to time t (AUCt), from time zero to infinity (AUCinf) and time t to infinity as a percentage of total AUC (%AUCex)
Participants will be followed and monitored for the duration of their hospital stay (24 hours per treatment period). The longest duration of participation in the study will be approximately 14 weeks

Comparison of AUCt, AUCinf and %AUCex after administration of two amlodipine and losartan fixed dose combinations in comparison to reference treatment (to determine the comparative bioavailability)

Elimination half-life (t½) of amlodipine and losartan
Participants will be followed and monitored for the duration of their hospital stay (24 hours per treatment period). The longest duration of participation in the study will be approximately 14 weeks

Comparison of t½ after administration of two amlodipine and losartan fixed dose combinations in comparison to reference treatment (to determine the comparative bioavailability)

Secondary Endpoints

Number of healthy volunteers with adverse events
Participants will be followed and monitored for the duration of their hospital stay (24 hours per treatment period). The longest duration of participation in the study will be approximately 14 weeks
Plasma concentration of of carboxylic acid: Peak plasma concentration (Cmax)
Participants will be followed and monitored for the duration of their hospital stay (24 hours per treatment period). The longest duration of participation in the study will be approximately 14 weeks
Elimination half-life (t½) of carboxylic acid
Participants will be followed and monitored for the duration of their hospital stay (24 hours per treatment period). The longest duration of participation in the study will be approximately 14 weeks
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelCROSSOVER
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Treatment Period 1OTHER1 x 5mg amlodipine tablet and 1 x 100mg losartan tablet administered in fasted state
Treatment Period 2OTHER1 x 5mg amlodipine / 100mg losartan tablet administered in fasted state
Treatment Period 3OTHER1 x 5mg amlodipine / 100mg losartan tablet administered in fasted state

Interventions

NameTypeDescription
Reference Treatment: 1 x 5mg amlodipine tablet and 1 x 100mg losartan tablet administered in fasted stateDRUG1 x 5mg amlodipine tablet and 1 x 100mg losartan tablet administered in fasted state
Fixed Dose Combination 1: 1 x 5mg amlodipine / 100mg losartan tablet administered in fasted stateDRUG1 x 5mg amlodipine / 100mg losartan tablet administered in fasted state
Fixed Dose Combination 2: 1 x 5mg amlodipine / 100mg losartan tablet administered in fasted stateDRUG1 x 5mg amlodipine / 100mg losartan tablet administered in fasted state
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Eligibility Criteria

Age Range18 Years to 65 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Male or female between 18 and 65 years of age inclusive, at the time of signing the informed consent. * Alanine transaminase (ALT), alkaline phosphatase and bilirubin ≤ 1.5 x upper limit of normal (ULN; isolated bilirubin \>1.5xULN is acceptable if bilirubin is fractionated an...

Countries:Australia
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Frequently asked questions about Reference Treatment: 1 x amlodipine and 1 x losartan administered in

What is the reference treatment of amlodipine and losartan used for?

It is a fixed dose combination reference treatment containing 5 mg amlodipine and 100 mg losartan, studied in healthy adult volunteers as a comparator for hypertension-related bioavailability testing. The combination pairs amlodipine with losartan in a single tablet formulation. The trial enrolled 23 healthy participants in Australia.

Who is developing the amlodipine and losartan fixed dose combination?

GSK plc, which trades under the ticker GSK, is the developer of this amlodipine and losartan fixed dose combination reference treatment. The company sponsored the Phase 1 bioavailability study of the combination tablet. The work sits within the cardiovascular therapeutic area and relates to hypertension.

What phase is the amlodipine and losartan reference treatment in?

It is in Phase 1 development. The single registered trial, NCT01648231, is a Phase 1 crossover bioavailability study that has been completed. It is an investigational fixed dose combination and is not described as approved. The study enrolled 23 healthy volunteers and was conducted in Australia.

What clinical trial studied the amlodipine and losartan fixed dose combination?

NCT01648231 is the registered trial. Titled a crossover study to evaluate the comparative bioavailability of two fixed dose combination tablet formulations of amlodipine and losartan in healthy volunteers, it was a completed Phase 1 study with 23 enrolled participants, randomized and controlled, conducted in Australia with healthy volunteers aged 18 years and older.

Is the amlodipine and losartan reference treatment the same as the fasted state formulation?

Yes. The reference treatment is also known as 1 x 5 mg amlodipine tablet and 1 x 100 mg losartan tablet administered in the fasted state, and as 1 x amlodipine and 1 x losartan administered in the fasted state. These names describe the same fixed dose combination reference arm used in the bioavailability study.